<script setup>
import { User, Lock ,View} from '@element-plus/icons-vue'
import { ref } from 'vue'
import { ElMessage } from 'element-plus'
//控制注册与登录表单的显示， 默认显示注册
const isRegister = ref(false)
//验证码图片地址
const captchaImageUrl=ref('')
//注册数据
const registerData=ref({
  username:"",
  password:"",
  rePassword:"",
  captcha:""
})
//登录数据
const loginData=ref({
  username:"",
  password:"",
  captcha:""
})
//检查确认密码是否正确
const checkRePassword=(rule,value,callback)=>{
  if(value===''){
    callback(new Error('确认密码不能为空'));
  }else if (value!==registerData.value.password){
    callback(new Error('确认密码错误'));
  }else {
    callback();
  }
}
//校验规则
const rules={
  username:[
    {required:true,message:'用户名不能为空',trigger:'blur'},
    {min:5,max:16,message:'长度为5-16为非空字符',trigger:'blur'}
  ],
  password:[
      {required:true,message:'密码不能为空',trigger:'blur'},
      {min:5,max:16,message:'长度为5-16为非空字符',trigger:'blur'}
  ],
  rePassword:[
    {validator:checkRePassword,trigger:'blur'}
  ]
}

import {registerService,loginService,getCaptchaService} from '@/api/user/user.js'
import {useRouter} from 'vue-router'
import {useTokenStore} from '@/stores/token.js'

//获取路由器
const router=useRouter()
//获取tokenStore
const tokenStore=useTokenStore()


//调用后台接口，完成注册
const register= async ()=>{
  let result=await registerService(registerData.value)
  ElMessage.success("注册成功")
}

//调用后台接口，完成登录
const login= async ()=>{
  let result=await loginService(loginData.value);
  ElMessage.success("登录成功")
  tokenStore.setToken(result.data)
  router.push('/')
}

//获取验证码
const getCaptcha= async ()=>{
  let result=await getCaptchaService()
  captchaImageUrl.value=result.data
}
getCaptcha()
</script>

<template>
  <el-row class="login-page">
    <el-col :span="12" class="bg"></el-col>
    <el-col :span="6" :offset="3" class="form">
      <!-- 注册表单 -->
      <el-form ref="form" size="large" autocomplete="off" v-if="isRegister" :model="registerData" :rules="rules">
        <el-form-item>
          <h1>注册</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
        </el-form-item>
        <el-form-item prop="rePassword">
          <el-input :prefix-icon="Lock" type="password" placeholder="请再次输入密码" v-model="registerData.rePassword"></el-input>
        </el-form-item>
        <el-form-item prop="captcha">
          <div class="captcha-container">
            <el-input :prefix-icon="View" placeholder="请输入验证码" v-model="registerData.captcha"></el-input>
            <img :src="captchaImageUrl" alt="验证码" @click="getCaptcha">
          </div>
        </el-form-item>
        <!-- 注册按钮 -->
        <el-form-item>
          <el-button class="button" type="primary" auto-insert-space @click="register();getCaptcha()">
            注册
          </el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = false;getCaptcha()">
            ← 返回
          </el-link>
        </el-form-item>
      </el-form>
      <!-- 登录表单 -->
      <el-form ref="form" size="large" autocomplete="off" v-else :model="loginData" :rules="rules">
        <el-form-item>
          <h1>登录</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="loginData.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="loginData.password"></el-input>
        </el-form-item>
        <el-form-item prop="captcha">
          <div class="captcha-container">
            <el-input :prefix-icon="View" placeholder="请输入验证码" v-model="loginData.captcha"></el-input>
            <img :src="captchaImageUrl" alt="验证码" @click="getCaptcha">
          </div>
        </el-form-item>
<!--        <el-form-item class="flex">-->
<!--          <div class="flex">-->
<!--            <el-checkbox>记住我</el-checkbox>-->
<!--            <el-link type="primary" :underline="false">忘记密码？</el-link>-->
<!--          </div>-->
<!--        </el-form-item>-->
        <!-- 登录按钮 -->
        <el-form-item>
          <el-button class="button" type="primary" auto-insert-space @click="login();getCaptcha()">登录</el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = true;getCaptcha()">
            注册 →
          </el-link>
        </el-form-item>
      </el-form>
    </el-col>
  </el-row>
</template>

<style lang="scss" scoped>
/* 样式 */
.login-page {
  height: 100vh;
  background-color: #fff;

  .bg {
    background: url('@/assets/logo2.png') no-repeat 60% center / 240px auto,
    url('@/assets/login_bg.jpg') no-repeat center / cover;
    border-radius: 0 20px 20px 0;
  }

  .form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;

    .title {
      margin: 0 auto;
    }

    .button {
      width: 100%;
    }

    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
    .captcha-container {
      width: 100%;
      display: flex;
      align-items: center; /* 垂直居中对齐 */
    }
    .captcha-container img {
      margin-left: 10px; /* 输入框和图片之间的间距 */
      cursor: pointer; /* 鼠标悬停时显示手形图标 */
    }
  }
}

</style>